901175049 has 24 divisors (see below), whose sum is σ = 1390938120. Its totient is φ = 560245248.

The previous prime is 901175047. The next prime is 901175057. The reversal of 901175049 is 940571109.

It can be written as a sum of positive squares in 4 ways, for example, as 572405625 + 328769424 = 23925^2 + 18132^2 .

It is not a de Polignac number, because 901175049 - 2¹ = 901175047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (901175047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10342 + ... + 43695.

It is an arithmetic number, because the mean of its divisors is an integer number (57955755).

Almost surely, 2^901175049 is an apocalyptic number.

It is an amenable number.

901175049 is a deficient number, since it is larger than the sum of its proper divisors (489763071).

901175049 is a wasteful number, since it uses less digits than its factorization.

901175049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54169 (or 54166 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 901175049 is about 30019.5777618540. The cubic root of 901175049 is about 965.9093860711.

The spelling of 901175049 in words is "nine hundred one million, one hundred seventy-five thousand, forty-nine".